midterms

Question 1

7 PROCESSING ROOM DESIGN

Answer 1

1. size and location
2. construction consideration
3. entrances
4. lighting and ventilation
5. drainage system
6. water source
7. equipment

Question 2

equipment (tips fahd)

Answer 2

thermometer
ID printet
passbox
stainless steel processing tanks

film bin
automatic processor
hanger
dark room timer

Question 3

thermometer (with cup)

Answer 3

dial

Question 4

thermometer (for chemical)

Answer 4

glass

Question 5

thermometer (with shell)

Answer 5

stainless

Question 6

thermometer (for room)

Answer 6

digital (40-300F)

Question 7

Valuable substance that can be reclaimed from the fixer solution

Answer 7

silver

Question 8

polluting agent and must not bellowed to flow into a normal drainage

Answer 8

silver

Question 9

Process used to harvest the silver from the photographic processing solutions

Answer 9

silver recovery

Question 10

silver recovery can be fone in different ways depending on:

Answer 10

1. The size of your operation
2. The concentration of silver in your effluent
3. The silver discharge limits

Question 11

advantages of silver recovery

Answer 11

1. beneficial to the environment
2. supplemental financial resource

Question 12

Most common and economic method

Answer 12

CHEMICAL RECOVERY CARTRIDGE

Question 13

It uses a cartridge through which the fixer can pass

Answer 13

chemical recovery cartridge

Question 14

chemical recovery cartridge uses a _____ through which the _____ can pass

Answer 14

cartridge , fixer

Question 15

Inside the cartridge is a canister with ______ in the form of very fine _______or heavy fine _______

Answer 15

iron
steel wool
screen mesh

Question 16

Used by small volume users

Answer 16

chemical recovery cartridge

Question 17

Use in a small volume number of patients

Answer 17

chemical recovery cartridge

Question 18

Most efficient technique

Answer 18

electrolytic method

Question 19

It uses an electric cathode, with an immersed negative charge, in a canister containing a positive charge

Answer 19

electrolytic method

Question 20

Technique which can used to produce very low silver concentrations in the effluent going to the sewer

Answer 20

CHEMICAL PRECIPITATION TECHNIQUES

Question 21

Common precipitating agents

Answer 21

alkali metal salts of sulfide (sodium, sulfide, potassium sulfide, etc)

Question 22

A window into the human body

Answer 22

Medical Image

Question 23

It is formed by the imaging modalities that use various forms of radiation &energy to open the body to visualization

Answer 23

Medical Image

Question 24

degree of exactness

Answer 24

fidelity

Question 25

Refers to the fidelity with which the anatomical structure that is under examination is imaged on the radiograph

Answer 25

Radiographic Quality (Image Quality)

Question 26

is the ability to image two separate objects and visually distinguish one from the other

Answer 26

RESOLUTION

Question 27

refers to the ability to image small objects that have high subject contrast such as a bone-soft tissue interface, a breast microcalcification, or a calcified lung nodule

Answer 27

SPATIAL RESOLUTION

Question 28

is the ability to distinguish anatomical structures of similar subject contrast such as liver-spleen and gray matter-white matter.

Answer 28

CONTRAST RESOLUTION

Question 29

The actual size of objects that can be imaged is always _____ under conditions of high subject contrast than under conditions of low subject contrast

Answer 29

smaller

Question 30

is the random fluctuation in the Optical Density of the image

Answer 30

noise